00330nam a2200133Ia 4500008004100000020001800041082002000059100002100079245002900100260003400129300000800163546000900171650001600180230312s9999||||xx |||||||||||||| ||und||  a9780070472396  a621.3827bGOR-O  aGoralski, Walter 0aOptical Networking & WDM  bTATA McGraw HillaIndiac2007  a556  aEng.  aEngineering